Elbow and knee protector



FIG. 1 is a front end elevation view of an elbow and knee protector, showing our new design;

FIG. 2 is a right side elevation view thereof; and,

FIG. 3 is a left side elevation view thereof.

Any surfaces that are not shown, or not completely shown, including interior concave surfaces, form no part of the claimed design. 

We claim the ornamental design for an elbow and knee protector, as shown and described. 